一概而论treat different things/problems/matters as the same
中毒be poisoned physically; be poisoned mentally
主动act on one's own initiative; initiative
以身作则set an example with one's own conduct
传染infect; influence mood, feelings, or atmosphere through contact
利欲熏心be obsessed with the desire for gain
和稀泥mediate differences at the expense of principle
委屈feel wronged; put somebody to great inconvenience
彼此each other; me too or you too
忘年交good friends despite great difference in age
承诺promise to undertake; a promise to do something
拐棍walking stick with one end bent as a handle; crutch
无可厚非give no cause for criticism
添砖加瓦do what little one can to help
相濡以沫help each other to pull through a plight/crisis
眼神expression in one's eyes; eyesight
见利忘义forget all moral principles at the sight of profit
亲密无间be on very intimate terms with each other